[PATCH 3/6] drm/i915: Move retire-requests into i915_gem_wait_for_idle()

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As we now distinguish everywhere that can call
i915_gem_retire_requests() following a successful wait_for_idle, we can
remove the duplication by moving that call into i915_gem_wait_for_idle()
itself.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_debugfs.c               | 4 +---
 drivers/gpu/drm/i915/i915_gem.c                   | 6 +++---
 drivers/gpu/drm/i915/i915_gem_evict.c             | 2 --
 drivers/gpu/drm/i915/i915_gem_request.c           | 3 ---
 drivers/gpu/drm/i915/selftests/i915_gem_request.c | 2 --
 drivers/gpu/drm/i915/selftests/intel_hangcheck.c  | 1 -
 6 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d4904245472f..5c34757b687f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4180,8 +4180,6 @@ fault_irq_set(struct drm_i915_private *i915,
 		goto err_unlock;
 
 	/* Retire to kick idle work */
-	i915_gem_retire_requests(i915);
-	GEM_BUG_ON(i915->gt.active_requests);
 
 	*irq = val;
 	mutex_unlock(&i915->drm.struct_mutex);
@@ -4286,7 +4284,7 @@ i915_drop_caches_set(void *data, u64 val)
 			goto unlock;
 	}
 
-	if (val & (DROP_RETIRE | DROP_ACTIVE))
+	if (val & DROP_RETIRE)
 		i915_gem_retire_requests(dev_priv);
 
 	lockdep_set_current_reclaim_state(GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7165f314f830..70bc72634a91 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3285,6 +3285,9 @@ int i915_gem_wait_for_idle(struct drm_i915_private *i915, unsigned int flags)
 			if (ret)
 				return ret;
 		}
+
+		i915_gem_retire_requests(i915);
+		GEM_BUG_ON(i915->gt.active_requests);
 	} else {
 		ret = wait_for_timeline(&i915->gt.global_timeline, flags);
 		if (ret)
@@ -4426,9 +4429,6 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv)
 	if (ret)
 		goto err_unlock;
 
-	i915_gem_retire_requests(dev_priv);
-	GEM_BUG_ON(dev_priv->gt.active_requests);
-
 	assert_kernel_context_is_current(dev_priv);
 	i915_gem_context_lost(dev_priv);
 	mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 2da3a94fc9f3..51e365f70464 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -196,7 +196,6 @@ i915_gem_evict_something(struct i915_address_space *vm,
 	if (ret)
 		return ret;
 
-	i915_gem_retire_requests(dev_priv);
 	goto search_again;
 
 found:
@@ -383,7 +382,6 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
 		if (ret)
 			return ret;
 
-		i915_gem_retire_requests(dev_priv);
 		WARN_ON(!list_empty(&vm->active_list));
 	}
 
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index b9d8f43b31e6..f16900848650 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -203,9 +203,6 @@ static int reset_all_global_seqno(struct drm_i915_private *i915, u32 seqno)
 	if (ret)
 		return ret;
 
-	i915_gem_retire_requests(i915);
-	GEM_BUG_ON(i915->gt.active_requests > 1);
-
 	/* If the seqno wraps around, we need to clear the breadcrumb rbtree */
 	for_each_engine(engine, i915, id) {
 		struct intel_timeline *tl = &timeline->engine[id];
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_request.c b/drivers/gpu/drm/i915/selftests/i915_gem_request.c
index 926b24c117d6..6b788ffda822 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_request.c
@@ -291,8 +291,6 @@ static int begin_live_test(struct live_test *t,
 		return err;
 	}
 
-	i915_gem_retire_requests(i915);
-
 	i915->gpu_error.missed_irq_rings = 0;
 	t->reset_count = i915_reset_count(&i915->gpu_error);
 
diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
index 6ec7c731a267..aa31d6c0cdfb 100644
--- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
@@ -235,7 +235,6 @@ static void hang_fini(struct hang *h)
 	i915_gem_object_put(h->hws);
 
 	i915_gem_wait_for_idle(h->i915, I915_WAIT_LOCKED);
-	i915_gem_retire_requests(h->i915);
 }
 
 static int igt_hang_sanitycheck(void *arg)
-- 
2.11.0

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